public override async void Save()
{
if (!FormAdapter.IsDirty && !HasDirtyChildren && LaunchArgs.LaunchType == LaunchTypes.Edit)
{
await ViewModelNavigation.GoBackAsync();
}
else if (FormAdapter.Validate())
{
ViewToModel(FormAdapter, Model);
if (Model is IValidateable)
{
var result = Validator.Validate(Model as IValidateable);
if (!result.Successful)
{
await ShowValidationErrorsAsync(result);
return;
}
}
var saveResult = await SaveRecordAsync();
if (saveResult.Successful)
{
//See notes on this method we allow the view model to override what happens when the record is saved.
HasDirtyChildren = false;
NotifyParentChildDirty();
await PostSaveAsync();
}
}
}
public bool ViewToModel(EditFormAdapter form, TModel model)
{
var modelProperties = typeof(TModel).GetTypeInfo().DeclaredProperties;
if (!form.Validate())
{
return(false);
}
foreach (var formItem in FormAdapter.FormItems)
{
var prop = modelProperties.Where(prp => prp.Name.ToLower() == formItem.Name.ToLower()).FirstOrDefault();
switch (formItem.FieldType)
{
case FormField.FeildType_EntityHeaderPicker:
break;
case FormField.FieldType_CheckBox:
if (bool.TryParse(formItem.Value, out bool result))
{
prop.SetValue(model, result);
}
break;
case FormField.FieldType_Picker:
if (String.IsNullOrEmpty(formItem.Value))
{
prop.SetValue(model, null);
}
else
{
if (prop.PropertyType == typeof(String))
{
prop.SetValue(model, formItem.Options.Where(opt => opt.Key == formItem.Value).First().Key);
}
else
{
var eh = Activator.CreateInstance(prop.PropertyType) as EntityHeader;
eh.Id = formItem.Value;
eh.Text = formItem.Options.Where(opt => opt.Key == formItem.Value).First().Label;
prop.SetValue(model, eh);
}
}
break;
case FormField.FieldType_Integer:
if (!String.IsNullOrEmpty(formItem.Value))
{
if (int.TryParse(formItem.Value, out int intValue))
{
prop.SetValue(model, intValue);
}
}
break;
case FormField.FieldType_Decimal:
if (!String.IsNullOrEmpty(formItem.Value))
{
if (double.TryParse(formItem.Value, out double intValue))
{
prop.SetValue(model, intValue);
}
}
break;
case FormField.FieldType_NameSpace:
case FormField.FieldType_MultilineText:
case FormField.FieldType_Text:
case FormField.FieldType_Key:
prop.SetValue(model, formItem.Value);
break;
case FormField.FieldType_Password:
if (!String.IsNullOrEmpty(formItem.Value))
{
prop.SetValue(model, formItem.Value);
}
break;
}
}
return(true);
}
